National Staff Greg G. Posted December 3, 2021 National Staff Share Posted December 3, 2021 (edited) The 2022 ST/TT rules necessitate that we have an ongoing process of assessment and reassessment of tires that are approved for the +1.0 and +1.6 Modification Factor groupings. The listings will change over time. None of us have control over what a tire manufacturer may do to a specific tire that changes its previously known characteristics, with or without public release of that information. So, we do expect that at some point, tires may change categories or be moved out of the groupings. This is just the nature of a rapidly moving tire industry with numerous players looking for market share. Please submit requests here for only a tire that you actually currently use or you would seriously consider using. Also, don't waste your time and ours with the obvious tires that do not fit in these groupings, or the tires that we have previously discussed that won't be put in these groups. Decisions will not be made strictly based on best possible single lap time. As you can see from the current lists, there are certain tires that are somewhat favored as we believe they will give our drivers the best overall outcomes and will be be the best at increasing series participation, while proving a good balance of performance. We will look at these factors: lap times, race performance, longevity, tire budget, current and potential future contingency prize programs, and tire size availability. Some decisions may be made very quickly, and others may take weeks, months, or even years of data collection. Please submit only the following information here (all other discussion will be deleted). This will be a clean thread, with just submissions and the results of the submission edited onto the submission post. Feel free to start a new thread (or on FB) for discussions about the merits of your specific submission: 1) Tire Manufacturer 2) Tire Model and any other descriptors used by the manufacturer to differentiate the tire from others they have, like compound, TW, etc. 3) Date of release of the tire to the public 4) Proposed Mod Factor Group 5) Links to published test data comparisons for this tire model versus others already approved 6) A brief statement as to why the tire should be placed in the Mod Factor group you have requested LIST OF TIRE APPROVED SINCE LAST PUBLISHED RULES REVISION: Edited January 20 by Greg G. Quote Link to comment Share on other sites More sharing options...
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